Table 2.

Analysis of variables related to recurrence and survival in 24 patients with incidental gallbladder cancer who underwent resection of liver segments IVb–V

Variable	Patients, n	Recurrence, n (%)	P-value	Survival, months, median (range)	P-value
Age >65 years	5	3 (60%)	0.2	10 (6–55)	0.8
Age ≤65 years	19	6 (31%)		42 (6–132)
Positive lymph nodes	3	3 (100%)	0.01	10 (10–15)	0.2
Negatives lymph nodes	21	6 (28%)		42 (6–132)
Vascular invasion present	2	2 (100%)	0.05	11 (10–12)	0.05
Vascular invasion absent	22	7 (32%)		31 (6–132)
R0 resection	23	8 (35%)	0.1	31 (6–132)	0.4
R1 resection	1	1 (100%)		12
T-stage
Ib	1	0	0.01	6	0.001
II	10	1 (10%)		65 (15–132)
III	12	8 (66%)		10 (6–84)
Tumour–node–metastasis (TNM) stage
I	1	0	0.006	6	0.003
II	10	0		65 (31–132)
IIIa	9	5 (55%)		12 (6–84)
IIIb	2	2 (100%)		14.5 (10–15)
IVb	2	2 (100%)		8 (6–10)
Residual disease present	10	10 (100%)	0.001	10 (6–15)	<0.001
Residual disease absent	14	0		65 (6–132)